← INDEX CASE 12 / 24
Fintech / Tax · V1.0 · SHIPPED MAR 2025

Ledger Flux

A freelance tax estimator that updates as you send invoices.

LAUNCH LEDGER FLUX → This is my interpretation. The button above opens the live front-end built in the product's own language.
Ledger Flux
I · Specimen
Ledger Flux frame 2
II · Detail
Ledger Flux frame 3
III · Context
Ledger Flux frame 4
IV · Angle
← drag · scroll to scrub → 4 FRAMES
I · Brief

The problem.

Freelancers guess their tax. Guessing is expensive. I wanted one number that's always right and always visible.

II · Build

What I shipped.

What

A tax estimator that syncs with your invoicing + bank, surfaces one number.

How

Plaid for bank feed, Postgres, Next.js dashboard, nightly jurisdictional rules job.

Why

One number beats a spreadsheet.

III · Counted Representative figures. Actual client metrics are under NDA.
Users (paid)
410
Jurisdictions
7
Avg. setup time
4 min
IV · Specs

The stack.

Technology
  • TypeScript
  • Next.js
  • Postgres
  • Plaid
Colophon
Team size
1
Category
Fintech / Tax
Version
V1.0
Shipped
Shipped Mar 2025
V · Changelog
  • V1.0
    Mar 2025
    Launch, 7 jurisdictions.
AA.SYS BOOT V3.1